

   
\begin{tikzpicture}[scale=2.54]
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\dpiclw=0.8bp
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 --(0,0.25)\dpicstop
\dpicdraw (0,0.375) circle (0.049213in)\dpicstop
\dpicdraw (-0.083333,0.375)
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\dpicdraw (0,0.5)
 --(0,0.75)\dpicstop
\draw (-0.125,0.375) node[left=-1.5bp]{$ 56~V$};
\dpicdraw (0,0.75)
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\draw (0.375,0.708333) node[below=-1.5bp]{$ 40~k\Omega$};
\dpicdraw (0.75,0.75)
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\draw (0.791667,0.375) node[right=-1.5bp]{$ 40~k\Omega$};
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\dpicdraw (1.5,0.75)
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\draw (1.875,0.708333) node[below=-1.5bp]{$ 10~k\Omega$};
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\draw (2.291667,0.375) node[right=-1.5bp]{$ 20~k\Omega$};
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\dpicdraw (3,0.75)
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\dpicdraw (3,0.375) circle (0.049213in)\dpicstop
\draw (3,0.375) node{V};
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\dpicdraw (1,0)
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\draw (1.125,-0.125) node[below=-1.5bp]{$ v_{s}(t)$};
\dpicdraw (0.75,0)
 --(0,0)\dpicstop
\end{tikzpicture}
